Trent University Graduate Thesis Collection

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    tula:etd
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    1 item
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    Copyright for all items in the Trent University Graduate Thesis Collection is held by the author, with all rights reserved, unless otherwise noted.
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    Analysis and reactions of aqueous selenide and other reduced inorganic selenium compounds under anoxic conditions

    Year: 2014, 2014
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Smith, Matthew, Thesis advisor (ths): Wallschlaeger, Dirk, Degree committee member (dgc): Dillon, Peter, Degree committee member (dgc): Belzile, Nelson, Degree committee member (dgc): Gueguen, Celine, Degree granting institution (dgg): Trent University
    Abstract: <p>Selenide is cited as a geochemically important selenium (Se) species, but it is unknown whether selenide is a stable aqueous ion in natural waters. The feasibility of using anoxic anion exchange chromatography (AEC) coupled to dynamic reaction cell-inductively coupled plasma-mass spectrometry to separate aqueous selenide was investigated with the goal of quantifying this anion to… more

    Widespread changes in growth, diet and depth distribution of lake whitefish (Coregonus clupeaformis) in the Great Lakes are linked to invasive dreissenid mussels

    Year: 2014, 2014
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Fera, Shannon A., Thesis advisor (ths): Dunlop, Erin, Thesis advisor (ths): Ridgway, Mark, Degree committee member (dgc): Dillon, Peter, Degree granting institution (dgg): Trent University
    Abstract: <p>Recent declines in growth and condition of Great Lakes' lake whitefish (Coregonus clupeaformis) have been linked to ecosystem-wide changes stemming from the invasion of dreissenid mussels. To test the influence of invasive mussels on this commercially important coregonid species, we collected archived scale samples from ten Great Lake locations and analyzed long-term changes in… more

    Speciation of Aluminum and Zinc in Three Streams of a Forested Catchment of the Boreal Zone: Temporal Variations assessed through In situ Monitoring and Geochemical Modeling.

    Year: 2014, 2014
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Kayembe, Aime, Thesis advisor (ths): Dillon, Peter, Degree committee member (dgc): Gueguen, Celine, Degree committee member (dgc): Evans, Douglas, Degree granting institution (dgg): Trent University
    Abstract: <p>This study presents a detailed assessment of the chemical speciation of aluminum and zinc in three streams of a small, acid-sensitive forested catchment on the southern edge of the Precambrian Shield.</p><p>Speciation analysis was achieved using an in-situ analytical technique known as Diffusive Gradient in Thin film (DGT) which measures labile metals, and a predictive… more